Stephen Head, president of Lone Star College-North Harris, asked me not long ago what the sparrow-size, aqua-blue birds were that had shown up in his yard. He wasn't the only one who wanted to know.

This is part 1 of a 4-part series. “The leaves are known for their antiseptic and anti-inflammatory properties. They can be consumed as an infusion or applied directly to a gaping wound,” he says.

In a recent study about ancient ancestors, archaeologists elaborated on the earliest evidence of indigo dyeing, showing that people were grinding inedible plants for special uses nearly 34,000 years ...

Sometimes it seems the world is awash in genetically modified organisms. You have your landscape-scale examples, like transgenic salmon or those GMO corn and soybean crops, made to be pest- and ...